Widening the search for extraterrestrial intelligence
Friday, March 19, 2010 - 09:44
in Astronomy & Space
The Search for Extraterrestrial Intelligence (SETI) has been dominated for its first half century by a hunt for unusual radio signals. But as he prepares for the publication of his new book The Eerie Silence: Are We Alone?, Paul Davies tells Physics World readers why bold new innovations are required if we are ever to hear from our cosmic neighbours...